Since it was going to be released I was wondering which cards were included in both expansions but I couldn't find them on the web. Finally I could buy both expansions. So in order to help my fellows here they are the Mystic Mayhem cards, later I will add the Cosmic Chaos cards in their forum.
Dungeons: Asgard Savage Land Limbo Sanctum Sanctorum Svartalfheim Wakanda K'un-Lun The Dark Dimension The Raft Atlantis Manhattan Helicarrier
Doors: H.A.M.M.E.R. Agent L1 King Cobra L1 Dracula L3 The Hand L3 Punisher L5 The Hood L5 Elektra L7 Morbius L7 The Enchantress L9 Black Cat L9 Morgan Le Fay L11 Baron Mordo L11 Satannish L13 Hela L13 Daimon Hellstrom L15 Surtur L15 Mephisto L17 Dormammu L19 Wandering Monster Wandering Monster Team-up Team-up The Defenders (Affilation) The Defenders (Affilation) The Defenders (Affilation) The Defenders (Affilation) Trap Fear Itself Trap Chaos Magic Trap Dark Reign Trap Banished Trap Damage Control Trap Ragnarok + 5 Monster Astonishin... + 5 Monster Possessed + 10 Monster Infernal + 5 Monster Undead Cheat! Power: R1 Phasing Power: R1 Conjuring Power: R2 Illusion Power: R1 Hex Power: R2 Telekinesis Power: R2 Psionics Power: R3 Shapeshifting Power: R3 Force Fields Power: R4 Mind Control Portal Bifrost Portal Chthon Portal Cloak & Dagger Portal Man-Thing Portal Astral Projection Portal The In-Betweener Portal Darkforce Manipulation Portal Summoning Ritual
Treasures: Ally Dr Strange Ally Moon Knight Ally Ghost Rider Ally Luke Cage Ally Iron Fist Ally Spider-woman Ally Blade Books of the Vishanti Orb of Agamotto Wicked wand of Watoomb Ebony Blade Soulsword Dragonfang Excalibur Sword of Twilight Staff of One Jarnbjorn Ghost Rider's Chain Eye of Agamotto Cloak of Levitation Dormammu's Mantle Dormammu's Boots Hell Cycle Flaming Skull Serpent Crown One shot Crimson Gem of Cyttorak One shot Chi Focus One shot The Darkhold One shot Norn Stones One shot Cosmic Cube Reality Gem Soul Gem Go Up a Level Sorcerer Supreme Go Up a Level Hero for Hire Go Up a Level Journey into Mystery Go Up a Level Tales to Astonish!